diff --git a/pkgs/by-name/su/superlu/package.nix b/pkgs/by-name/su/superlu/package.nix
index 6288232a8cd4..a1ea62050191 100644
--- a/pkgs/by-name/su/superlu/package.nix
+++ b/pkgs/by-name/su/superlu/package.nix
@@ -7,11 +7,8 @@
   ninja,
   gfortran,
   blas,
-  lapack,
 }:
 
-assert (!blas.isILP64) && (!lapack.isILP64);
-
 stdenv.mkDerivation (finalAttrs: {
   pname = "superlu";
   version = "7.0.0";